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'''Eyes''' are Organ (anatomy)|organs of the visual system. They provide organisms Visual perception|vision, the ability to process visual detail, as well as enabling several photo response functions that are independent of vision. Eyes detect light and convert it into electro-chemical impulses in neurons. In higher organisms, the eye is a complex optics|optical system which collects light from the surrounding environment, regulates its intensity through a Iris (anatomy)|diaphragm, Focus (optics)|focuses it through an adjustable assembly of Lens (anatomy)|lenses to form an image, converts this image into a set of electrical signals, and transmits these signals to the brain through complex neural pathways that connect the eye via the optic nerve to the visual system|visual cortex and other areas of the brain. Eyes with resolving power have come in ten fundamentally different forms, and 96% of...
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